Stereoscopic observation devices



Se 2, 9 H.SCHOLER L STEREOSCOPIC OBSERVATION DEvGES F11ed Dec. 2 1965 0bjective pair, a pair of bealn splitters for splitting a beam of light incident there0n into two components, IeanS for directing the observation Tays of one 0f Said objectives to one of said pair of beam Splitters and having n1eans for directing the observation Tays of Said other objective to said other beam Splitter, said ray directing means directing Said rays in such a nlanner as to be incident on said )ean1 Splitters f01 Splitting the Same into Said tw0 com ponents, means for directing Said components frofn one of said beam splitters t0 0ne eyepiece of each of Said two eyepiece 1)ail's, Ineans fol directing the components fron said other beam splitters to the other eyepece of Sa d two eyepiece pairs whereby each of Said con1ponents is ob Servable simultaneously by said two observers, and Ineans 0r changing the Inagniiication of said irlages, Said mag- Ilification means being located in the path of each of Said observation rayS of Said device between each of Said 0bjectives and beam Splitters 2' A device aS claimed in clam l, Wherein, one of said )air of beam splitters is 10cated in the observation ray path between each of the adjacent magncatiOn TIleans and said eyepiece paiS.

3 A device as claimed in claiIn l, vVhein Said planes contain TeaSuIing n1aBks 4 A device as claimed in claim l, having nleans for Totating Said i mages wheTeby said stefe0scopic images of said eyepiece pairs vvin be appr0xinlately identica] as Viewed by Said persons References ce UNITED STATES PATENTS 983,69 2/1911 Rohr 303 x l,798,396 3/l93l Bauersfeld et al 3S0 36 Z,40l,709 6/1946 Mihalyi et al 88-Z 7 2,634,6S4 4/19S3 BaueTsfeld 30`3j X 2,857 23 10/1958 Corso 3033 x 3,062,099 ll/196z French 3036 X 3,l70,983 2/196 Riedel 3j0-31 x 3 l86 300 6/196S Littman 35036 x FOREIGN PATENTS 13S 6jl 4/1960 U.S`S.R. 1 273 776 9-/ 1961 France DAVID SCHONBERG, Pri`mar Examiner PAUL R` GILLIAM, Assistant Examiner 

